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package collector
import (
"github.com/prometheus/client_golang/prometheus"
)
var (
memory = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: Namespace,
Name: "memory",
Help: "The mem data structure holds information regarding the target system architecture of mongod and current memory use",
}, []string{"type"})
)
// MemStats tracks the mem stats metrics.
type MemStats struct {
Bits float64 `bson:"bits"`
Resident float64 `bson:"resident"`
Virtual float64 `bson:"virtual"`
Mapped float64 `bson:"mapped"`
MappedWithJournal float64 `bson:"mappedWithJournal"`
}
// Export exports the data to prometheus.
func (memStats *MemStats) Export(ch chan<- prometheus.Metric) {
memory.WithLabelValues("resident").Set(memStats.Resident)
memory.WithLabelValues("virtual").Set(memStats.Virtual)
memory.WithLabelValues("mapped").Set(memStats.Mapped)
memory.WithLabelValues("mapped_with_journal").Set(memStats.MappedWithJournal)
memory.Collect(ch)
}
// Describe describes the metrics for prometheus
func (memStats *MemStats) Describe(ch chan<- *prometheus.Desc) {
memory.Describe(ch)
}
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